import _00SetFunction as sf

#验证函数性质
Xm,Ym,Zm=15,15,15
X,Y,Z=range(Xm),range(Ym),range(Zm)
f=sf.bijectionfunc(X,Y)
g=sf.bijectionfunc(Y,Z)
gf=sf.compositefunc(g,f)
tv=sf.isbijection(X,Z,gf)
print("f",f)
print("g",g)
print("gf",gf)
print(tv)